Young star clusters in nearby molecular clouds : J/MNRAS/477/298

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Authors : Getman K.V. orcid , Kuhn M.A., Feigelson E.D. (hide) , Kuhn M.A., Feigelson E.D. et..al

VizieR DOI : 10.26093/cds/vizier.74770298
Bibcode : 2018MNRAS.477..298G (ADS) (Simbad) (Objects)
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CDS Keywords : Molecular clouds; Clusters, open; Stars, pre-main sequence; Morphology
UAT : Molecular clouds, Open star clusters, Pre-main sequence stars, Galaxy classification systems

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Inserted into VizieR : 25-Jun-2021
Last modification : 18-Aug-2024

Young star clusters in nearby molecular clouds. (2018)

Keywords : stars early-type - stars: formation - stars: pre-main-sequence - open clusters and associations: general - infrared: stars - X-rays: stars

Abstract:The SFiNCs (Star Formation in Nearby Clouds) project is an X-ray/infrared study of the young stellar populations in 22 star-forming regions with distances <~1kpc designed to extend our earlier MYStIX (Massive Young Star-Forming Complex Study in Infrared and X-ray) survey of more distant clusters. Our central goal is to give empirical constraints on cluster formation mechanisms. Using parametric mixture models applied homogeneously to the catalogue of SFiNCs young stars, we identify 52 SFiNCs clusters and 19 unclustered stellar structures. The procedure gives cluster properties including location, population, morphology, association with molecular clouds, absorption, age (Age_JX_), and infrared spectral energy ...(more)
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The SFiNCs project is aimed at providing detailed study of the young stellar populations and star cluster formation in nearby 22 SFRs. The input lists of young stars, SPCMs, were obtained in our previous study (Getman et al., 2017, Cat. J/ApJS/229/28). This study complements and extends our earlier MYStIX survey of richer, more distant clusters. Both efforts share consistent data sets, data reduction procedures, and cluster identification methods. The latter are based on maximum likelihood parametric mixture models, which differ from the non-parametric procedures used in most previous studies. We identify 52 SFiNCs clusters and 19 unclustered stellar components in the 22 SFiNCs SFRs. 


                


                

                    

                


                

                    

                


                

                    
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